ELECTROMAGNETIC RELAY

PROBLEM TO BE SOLVED: To provide an electromagnetic relay improved in operation reliability. SOLUTION: The relay is provided with a plurality of switches 2 each composed of a movable contact 21 and a fixed contact 20, and a piece of electromagnetic coil 3 generating magnetic flux Φ by electric conduction. A plurality of plungers 4 at least a par of which is formed of a magnetic body, and which advance or retreat in an axis direction of the electromagnetic coil 3 by electricity carrying or non-carrying to the coil 3 are provided in the electromagnetic coil 3. To each of the plurality of plungers 4, a movable contact 21 is attached. Furthermore, each fixed contact 20 is provided at a position in and out of contact with the movable contact 21 in accordance with the advance and retreat of the plunger 4. COPYRIGHT: (C)2010,JPO&INPIT